Pack or skip
Sunscreen for Maryland City in December
Verdict
Pack it
Sun still finds you at 45°F — UV doesn't care about temperature.
Why
Maryland City in December averages highs of 45°F, lows of 31°F, 8 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 45°F — UV doesn't care about temperature.